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Roles of miRNA and IncRNA in triple-negative breast cancer

miRNA 和 lncRNA在三阴性乳腺癌中的作用

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Abstract

Triple-negative breast cancer (TNBC) is currently the most malignant subtype of breast cancer without effective targeted therapies, which makes its pathogenesis an important target for research. A growing number of studies have shown that non-coding RNA (ncRNA), including microRNA (miRNA) and long non-coding RNA (lncRNA), plays a significant role in tumorigenesis. This review summarizes the roles of miRNA and lncRNA in the progression, diagnosis, and neoadjuvant chemotherapy of TNBC. Aberrantly expressed miRNA and lncRNA are listed according to their roles. Further, it describes the multiple mechanisms that lncRNA shows for regulating gene expression in the nucleus and cytoplasm, and more importantly, describes lncRNA-regulated TNBC progression through complete combining with miRNA at the post-transcriptional level. Focusing on miRNA and lncRNA associated with TNBC can provide new insights for early diagnosis and treatment—they can be targeted in the future as a novel anticancer target of TNBC.

概要

三阴性乳腺癌 (TNBC) 作为乳腺癌中最恶性的亚型, 具有异质性高, 增殖能力高, 转移性强等特点, 且缺乏有效的靶向治疗, 因而其发病机制 成为研究的重点. 越来越 的研究表明, 小 RNA(miRNA) 和长链非编码 RNA(lncRNA) 在内的非编码 RNA 在肿瘤的发生和发展中起着重要的作用. 本文总结归纳了近些年来与 TNBC 相关的 miRNA 和 lncRNA, 介绍了 lncRNA 调节基因表达的多种机制, 概述了 miRNA 和 lncRNA 在 TNBC 进展, 诊断以及新辅助化疗中的作用. 本文探索 miRNA 和 lncRNA 与 TNBC 的关系, 旨在为癌症的早期诊断和治疗提供新思路, 使其成为治疗癌症的新靶点.

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Authors

Contributions

Juan XU performed the preliminary framework of the article and wrote the manuscript. Kang-jing WU performed the analysis of data. Qiao-jun JIA and Xian-feng DING designed the article and edited the manuscript. All authors have read and approved the final manuscript and, therefore, have full access to all the data in the study and take responsibility for the integrity and security of the data.

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Correspondence to Xian-feng Ding.

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Compliance with ethics guidelines

Juan XU, Kang-jing WU, Qiao-jun JIA, and Xian-feng DING declare that they have no conflict of interest.

This article does not contain any studies with human or animal subjects performed by any of the authors.

Project supported by the Zhejiang Provincial Natural Science Foundation of China (No. LY18C050006) and the Key Research and Development Project of Zhejiang Province (No. 2020C02039)

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Xu, J., Wu, Kj., Jia, Qj. et al. Roles of miRNA and IncRNA in triple-negative breast cancer. J. Zhejiang Univ. Sci. B 21, 673–689 (2020). https://doi.org/10.1631/jzus.B1900709

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  • DOI: https://doi.org/10.1631/jzus.B1900709

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